AlphaESS SMILE-G3 Battery Modules (3.8S / 4.0S / 9.3S)
Stackable LFP battery modules for SMILE-G3 hybrid systems.

AlphaESS
AlphaESS SMILE-G3 Battery Modules (3.8S / 4.0S / 9.3S)
- LFP
- 96 V
- Up to 10
- 000 cycles
- Cobalt-free
Expansion battery modules for AlphaESS SMILE-G3 systems. The 3.8S and 4.0S modules pair with the three-phase T series; the 9.3S module pairs with the single-phase S5.
Key features
- Lithium iron phosphate (LiFePO₄) — cobalt-free
- Modular: add capacity as needs grow
- Up to 10,000 cycles (3.8S / 4.0S)
- 9.3S: 100 % usable capacity
- 3.8S: built-in aerosol fire suppression
Properties
- Chemistry
- LFP (LiFePO₄)
- Nominal voltage
- 96 V
- Compatible systems
- SMILE-G3-T series (3.8S, 4.0S) · SMILE-G3-S5 (9.3S)
Application
Adding storage to new or existing SMILE-G3 hybrid systems.
Technical data
| Parameter | SMILE-G3-BAT-3.8S | SMILE-G3-BAT-4.0S | SMILE-G3-BAT-9.3S |
|---|---|---|---|
| Module capacity | 3.8 kWh | 4.0 kWh | 9.3 kWh |
| Usable capacity | 3.65 kWh | 3.8 kWh | 9.3 kWh |
| Depth of discharge | 95 % | 95 % | 100 % |
| Nominal voltage | 96 V | 96 V | 96 V |
| Max. charge / discharge current | 40 A | 42 A | 52.5 A |
| Operating temperature | −10 ~ 50 °C | −10 ~ 60 °C | −20 ~ 50 °C |
| Cycle life | 10,000 | 10,000 | — |
| Modules per system | 1 ~ 12 | 1 ~ 6 | 1 ~ 4 in series |
| IP rating | IP21 | IP65 | IP65 |
| Dimensions (W × D × H) | 610 × 212.5 × 435 mm | 610 × 212.5 × 435 mm | 610 × 212 × 630 mm |
| Weight | 39.2 kg | 42.5 kg | 81 kg |
| Fire fighting | Aerosol | — | — |
Data from the manufacturer's datasheet.
- View AlphaESS SMILE-G3-S5 Hybrid Inverter + Battery
AlphaESS
AlphaESS SMILE-G3-S5 Hybrid Inverter + Battery
5 kW single-phase all-in-one hybrid system, 9.3–37.2 kWh LFP storage.
- Single phase
- 5 kW
- LFP
- IP65
- UL 9540A
- View AlphaESS SMILE-G3-T Series Three-phase Hybrid Inverter + Battery
AlphaESS
AlphaESS SMILE-G3-T Series Three-phase Hybrid Inverter + Battery
4–10 kW three-phase hybrid systems with 3.65–43.8 kWh LFP storage.
- Three phase
- 4–10 kW
- LFP
- 3 MPPT
- IP65
12 models available